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FT801Q-R 数据表(PDF) 34 Page - Bridgetek Pte Ltd. |
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FT801Q-R 数据表(HTML) 34 Page - Bridgetek Pte Ltd. |
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34 / 44 page ![]() Copyright © Bridgetek Pte Ltd 34 FT801 Embedded Video Engine Datasheet Version 1.3 Document Reference No.: BRT_000001 Clearance No.: BRT#003 6.3.2 Host Interface SPI Mode 0 Figure 6-1 SPI Interface Timing Parameter Description VCC(I/O)=1.8V VCC(I/O)=2.5V VCC(I/O)=3.3V Units Min Max Min Max Min Max Tsclk SPI clock period 60 - 40 - 33 - ns Tsclkl SPI clock low duration 25 - 16 - 13 - ns Tsclkh SPI clock high duration 25 - 16 - 13 - ns Tsac SPI access time 16 - 16 - 16 - ns Tisu Input Setup 12 - 11 - 11 - ns Tih Input Hold 3 - 3 - 3 - ns Tzo Output enable delay 0 30 0 20 0 16 ns Toz Output disable delay 0 30 0 20 0 16 ns Tod Output data delay 0 24 0 15 0 12 ns Tcsnh CSN hold time 0 - 0 - 0 - ns Table 6-7 SPI Interface Timing Specification 6.3.3 Host Interface I2C Mode Timing Parameter Description Standard- mode Fast-mode Fast-plus mode High speed mode Unit Min Max Min Max Min Max Min Max Fscl I2C SCL clock frequency 0 100 0 400 0 1000 0 3400 kHz Tscll clock low period 4.7 - 1.3 - 0.5 - 0.16 - µs Tsclh clock high period 4.0 - 0.6 - 0.26 - 0.06 - µs Tsu Data setup time 250 - 100 - 50 - 10 - ns Thd Data hold time 0 - 0 - 0 - 0 70 ns Tr Rise time - 1000 - 300 - 120 10 40 ns Tf Fall time - 300 - 300 - 120 10 40 ns Table 6-8 I2C Interface Timing 6.3.4 RGB Video Timing Parameter Description VCC=3.3V Units Min Typ Max Tpclk Pixel Clock period 78 104 - ns Tpclkdc Pixel Clock duty cycle 40 - 60 % Thc Hsync to Clock 30 - - ns Thwh HSYNC width (REG_HSYNC1-REG_HSYNC0) 1 41 - Tpclk Tvwh VSYNC width (REG_VSYNC1-REG_VSYNC0) 1 10 - Th Th HSYNC Cycle (REG_HCYCLE) - 525 - Tpclk Tvsu VSYNC setup 30 - - ns |
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